v3d/ci: update expected list

Add new piglit failure

Signed-off-by: Juan A. Suarez Romero <jasuarez@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27484>
diff --git a/src/broadcom/ci/broadcom-rpi4-fails.txt b/src/broadcom/ci/broadcom-rpi4-fails.txt
index 2332f8c..6eda851 100644
--- a/src/broadcom/ci/broadcom-rpi4-fails.txt
+++ b/src/broadcom/ci/broadcom-rpi4-fails.txt
@@ -508,3 +508,5 @@
 # uprev Piglit in Mesa
 spec@glsl-1.40@uniform_buffer@two-stages,Fail
 
+# Couldn't reproduce locally
+spec@oes_packed_depth_stencil@depth_stencil texture gles2,Fail